This dataset is meant as supplementary information to the pubilication: Junker, Moritz A., et al. "Bridging the gap between lab-scale and commercial dimensions of hollow fiber nanofiltration membranes." Journal of Membrane Science 624 (2021): 119100. The dataset contains all relevant data for the study. This includes experimental and theoretical results. More information on the specific files can be found within the README.txt file.